tpmtest: support FTDI SPI on UltraDebug
tpmtest: support FTDI SPI on UltraDebug

The new debug board presents itself as a yet another USB device, it
uses interface 1 for SPI.

Add it to the table of devices we try to use.

BRANCH=none
BUG=none
TEST=./test/tpm_test/tpm_test.py now succeeds again.

Change-Id: Id14f17de6eff081bebed49d22ddc4b19cd39c2b0
Signed-off-by: Vadim Bendebury <5515d6d2d0829cbe0dd0dcf2094aaded06d58514@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/338862
Reviewed-by: Marius Schilder <d423f2980be0298efdef7df239b147d21d472f26@chromium.org>
Reviewed-by: Bill Richardson <129945214b1d548d8e49b6c29c43094f8c78057f@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec